TY - CPAPER AU - Izabela Kotarska TI - SUSTAINABLE TOURISM: ADAPTATION OF THE NIEDZWIEDZIA CAVE TO TOURISM ACCESSIBILITY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation PY - 2019 SP - 695 EP - 702 DO - 10.5593/sgem2019/5.1/s20.086 PB - STEF92 Technology ER -